ORA-4031 with large value of MEMORY_MAX_TARGET and small MEMORY_TARGET or SGA_TARGET
(Doc ID 1089633.1)
Last updated on FEBRUARY 20, 2019
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
With MEMORY_TARGET=300Mb and MEMORY_MAX_TARGET=1200Mb
customer gets an ORA-4031 during UTLRP.
This ORA-4031 does not occur with same MEMORY_TARGET=300Mb and smaller value MEMORY_MAX_TARGET=300Mb.
The ORA-4031 only occurs with larger value for MEMORY_MAX_TARGET.
The MEMORY_MAX_TARGET was increased to 1200Mb, from 300Mb.
Note, that setting MEMORY_TARGET at 300Mb is giving you
very tight shared pool, SGA and PGA targets.
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